(Reuters) - A gunman killed 12 people, including a sheriff’s deputy, when he walked into a Southern California bar and grill and started shooting on Wednesday night, police said. The gunman was also killed, Ventura County Sheriff Geoff Dean told a news conference on Thursday, though it was not immediately clear by whom. “It’s a horrific scene in there,” Dean said. The sheriff’s deputy who died was identified as Sgt. Slideshow (5 Images) When the shots started, some people smashed windows with chairs to escape, witnesses told CNN.feeds.reuters.com/~r/Reuters/domesticNew...wochit.com